81702489 (number)

81702489 is an odd 8-digits composite number following 81702488 and preceding 81702490. In scientific notation, it is written as 8.1702489 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 46910160 positive integers (up to 81702489) that are relatively prime to 81702489.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred two thousand four hundred eighty-nine

Notation

Scientific notation 8.1702489 × 10^7
Engineering notation 8.1702489 × 10^6

Prime Factorization of 81702489

Prime Factorization 3 × 19 × 11 × 130307

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81702489
Product of the distinct prime numbers

The prime factorization of 81702489 is 3 × 19 × 11 × 130307. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 1, 56, 40, 320, 508, 3664, 533, 26514, 55376, 238997, 20220, 6584914, 5116899, 18793716, 51958920, 949404932, 156687555, 8336781820, 9233677517

Basic calculations (n = 81702489)

Multiplication

n×y
n×2 163404978
n×3 245107467
n×4 326809956
n×5 408512445

Division

n÷y
n÷2 40851244.5
n÷3 27234163
n÷3 20425622.25
n÷5 16340497.8

Exponentiation

ny
n2 6675296708795121
n3 5.4538835592207E+23
n4 4.4559586150451E+31
n5 3.6406290973018E+39

Nth Root

y√n
2√n 9038.9429138589
3√n 433.92209273562
4√n 95.073355435994
5√n 38.233764203607

Divisors of 81702489

1, 3, 11, 19, 33, 57, 209, 627, 130307, 390921, 1433377, 2475833, 4300131, 7427499, 27234163, 81702489

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81702488
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81702489 can be divided by 16 positive divisors. The sum of these divisors (counting 81702489) is 1, the average is 0.0625.

Base conversion 81702489

Base System Value
2 Binary 100110111101010111001011001
3 Ternary 12200201220202010
4 Quaternary 10313222321121
5 Quinary 131403434424
6 Senary 12035100133
8 Octal 467527131
10 Decimal 81702489
12 Duodecimal 23441649
16 Hexadecimal 4deae59
20 Vigesimal 15acg49
36 Base36 1cn61l

Cryptographic Hash Functions

md5 e73d6999a4be52680b9a5f6525e66eb0
sha1 8e735a2c9e600cd6902dc51fca8cac487a8a7733
sha256 7213b55fe81150904edd316f5cb25f0328d5c1655e2a2a2fb58ca6af2be8a6e9
sha512 5c6e20a6c9ae6ce8cb0a8a16706dc237a2d4c49eba709ca96b0c4e12b519886d5de727a547e37b6c5305886a51855c7ab9c8c5aa961132f88164fa3977b4c8bd
ripemd-160 2910bff08e3d993f395fa273d7370d134271049b

81702489 as geometric shapes

Circle

Radius = n
Diameter 163404978
Circumference 513351878.4448
Area 2.0971063100883E+16

Sphere

Radius = n
Volume 2.2845174030909E+24
Surface area 8.3884252403532E+16
Circumference 513351878.4448

Square

Length = n
Perimeter 326809956
Area 6675296708795121
Diagonal 115544768.02344

Cube

Length = n
Surface area 40051780252770726
Volume 5.4538835592207E+23
Space diagonal 141512862.05284

Equilateral Triangle

Length = n
Perimeter 245107467
Area 2.8904882638076E+15
Altitude 70756431.026419

Triangular Pyramid

Length = n
Surface area 2.8904882638076E+15
Volume 6.4274634142113E+22
Height 38514922.67448